Floor scrubber



FIG. 1 is a top plan view of my new design for a floor scrubber that shows a flexible pad, an elastic band, and a fabric tab;

FIG. 2 is a front, left perspective view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a bottom, left perspective view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a perspective view in an environment of use.

The broken lines in the drawings depict environment of the floor scrubber and forms no part of the claimed design. 

CLAIM The ornamental design for a floor scrubber, as shown and described. 